Gentoo Archives: gentoo-server

From: "Vinícius Ferrão" <viniciusferrao@×××××××.br>
To: "<gentoo-server@l.g.o>" <gentoo-server@l.g.o>
Subject: Re: [gentoo-server] Windows NT4 on KVM+QEMU extremely slow...
Date: Thu, 18 Apr 2013 16:30:07
Message-Id: 66513776-7CB7-4ACB-A666-2359E35314FB@if.ufrj.br
In Reply to: Re: [gentoo-server] Windows NT4 on KVM+QEMU extremely slow... by Robert Bridge
1 KVM is enabled in BIOS too.
2
3 I doubled checked it. Disabled and even got a message saying the KVM is not available when Disabled in BIOS….
4
5 Thanks,
6
7 Vinícius Ferrão: Administrador de Sistemas
8 www.ferrao.eti.br | +55 (21) 8888-2619
9
10 On Apr 18, 2013, at 11:29 AM, Robert Bridge <robert@××××××××.com>
11 wrote:
12
13 > Hi,
14 >
15 > Are you sure your hardware virt isn't disabled in the BIOS? It is, in
16 > my experience, the one BIOS setting the linux kernel doesn't/can't
17 > over-ride.
18 >
19 > Cheers,
20 > RobbieAB
21 >
22 > On 18 April 2013 01:35, Vinícius Ferrão <viniciusferrao@×××××××.br> wrote:
23 >> Hello dudes,
24 >>
25 >> Thanks for the replies.
26 >>
27 >> But I've read somewhere that -no-kvm should be enabled in order to run NT4
28 >> Properly.
29 >>
30 >> Anyway, I removed the flag and nothing really happened. It's still slow.
31 >> It's usable, but slow. VMWare was much faster.
32 >>
33 >> And about the RAM issue. It's Windows NT4. I don't think more is necessary.
34 >> The machine boots consuming only 30MB. And about the slowness of the system
35 >> is during CPU intensive operations.
36 >>
37 >> Anything else to try dudes?
38 >>
39 >> Thanks,
40 >>
41 >> Vinícius Ferrão: Administrador de Sistemas
42 >> www.ferrao.eti.br | +55 (21) 8888-2619
43 >>
44 >> On Apr 17, 2013, at 5:54 PM, Hinnerk van Bruinehsen
45 >> <h.v.bruinehsen@×××××××××.de>
46 >> wrote:
47 >>
48 >> On Wed, Apr 17, 2013 at 07:34:00PM +0000, Vinícius Ferrão wrote:
49 >>
50 >> Hello dudes,
51 >>
52 >> I'm running Windows NT 4 Terminal Server on QEMU and the performance is too
53 >> slow; I don't even know how to debug it and I even don't if this is normal
54 >> or not.
55 >>
56 >> On VMWare Player the performance was much better. And this isn't a
57 >> migration. I've reinstalled the NT4 from the ground.
58 >>
59 >> Anyway; i'm launching the VM with this arguments:
60 >> kvm -m 128m -name WinNT4TS -drive file=winnt4ts.raw -cdrom Windows\ NT\ 4\
61 >> Terminal\ Server\ Image/WINNT-TSE40.iso -net
62 >> nic,model=ne2k_pci,macaddr=00:0c:29:74:fa:b4 -net tap -vga std -cpu
63 >> pentium,level=1 -smp 1 -no-acpi -no-hpet -no-kvm -boot c -vnc none
64 >> -daemonize
65 >>
66 >>
67 >> Hi,
68 >>
69 >> iirc the commandline switch --no-kvm disables kvm (so it'S just software
70 >> emulated qemu). You disable hardware virtualization accerleration with
71 >> it.
72 >>
73 >> Other than that: more than 128 MB ram will most likely also help to
74 >> speed things up.
75 >>
76 >> WKR
77 >> Hinnerk
78 >>
79 >>
80 >

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Re: [gentoo-server] Windows NT4 on KVM+QEMU extremely slow... Preston Hagar <prestonh@×××××.com>